Dogcows Code - chaz/yoink/blob - src/moof/backend.hh

   1
   2 /*]  Copyright (c) 2009-2011, Charles McGarvey  [*****************************
   3 **]  All rights reserved.
   4 *
   5 * Distributable under the terms and conditions of the 2-clause BSD license;
   6 * see the file COPYING for a complete text of the license.
   7 *
   8 *****************************************************************************/
   9
  10 #ifndef _MOOF_BACKEND_HH_
  11 #define _MOOF_BACKEND_HH_
  12
  13 /**
  14  * \file backend.hh
  15  * Initialize the backend libraries and subsystems.
  16  */
  17
  18 namespace moof {
  19
  20
  21 /**
  22  * Some classes and subsystems require certain backend libraries to be
  23  * initialized.  This is the mechanism to accomplish that.  Classes which rely
  24  * on any backend libraries just need to instantiate this class as a member.
  25  * Backend cleanup will occur automagically when there are no more instances.
  26  */
  27 class backend
  28 {
  29 public:
  30
  31         /**
  32          * Construct a backend reference, initializing the backend if it
  33          * hasn't already been initialized.
  34          */
  35         backend();
  36
  37         /**
  38          * Get whether or not the backend has been initialized.
  39          * \return True if the backend is initialized, false otherwise.
  40          */
  41         static bool is_initialized();
  42
  43         /* The rest of this stuff is to implement the reference counting. */
  44
  45         backend(const backend& backend);
  46         backend& operator = (const backend& backend);
  47         ~backend();
  48 };
  49
  50
  51 } // namespace moof
  52
  53 #endif // _MOOF_BACKEND_HH_
  54